#!/bin/sh

# Slackware build script for mupen64plus

# Copyright 2016-2019 orbea
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

PRGNAM=mupen64plus
BRANCH=${BRANCH:-master}
BUILD=${BUILD:-1}
TAG=${TAG:-_git}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -eu

UI_PYTHON=
python -c 'import PyQt5' 2>/dev/null && UI_PYTHON='ui-python'

PLUGINS="core \
         audio-sdl \
         input-sdl \
         rsp-cxd4 \
         rsp-hle \
         rsp-z64 \
         ui-console \
         $UI_PYTHON \
         video-arachnoid \
         video-glide64 \
         video-glide64mk2 \
         video-rice \
         video-z64"

rm -rf $TMP/$PRGNAM $PKG
mkdir -p $TMP/$PRGNAM $PKG $OUTPUT
cd $TMP/$PRGNAM
eval "set -- $PLUGINS"
for src do
  git clone --depth=1 -b $BRANCH https://github.com/$PRGNAM/$PRGNAM-$src
  (
    cd $PRGNAM-$src
    HEAD="$(git rev-parse --short HEAD)"
    DATE="$(git show -s --format=%cd --date=format:%Y.%m.%d)"
    printf %s\\n "${DATE}_$HEAD" 2>&1 | tee VERSION
  )
done
VERSION=$(cat $PRGNAM-core/VERSION)
chown -R root:root .
find -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

[ "${DEBUG:=0}" != 0 ] && DEBUG=1 \
  SLKCFLAGS="$(printf %s "$SLKCFLAGS" | sed 's/-02/-O0/')"

[ "${GLES:=0}" != 0 ] && GLES=1

DOCS="AUTHORS \
      ChangeLog \
      COPYING \
      CREDITS \
      INSTALL \
      LICENSES \
      README.md \
      README \
      RELEASE \
      VERSION"

eval "set -- $PLUGINS"
for src do
  if [ "$src" = "$UI_PYTHON" ]; then
    (
      cd $PRGNAM-$src
      python setup.py install --root=$PKG \
        --install-scripts=/usr/games
    )
  else
    (
      cd $PRGNAM-$src/projects/unix
      make all \
        CC="${CC:-cc}" \
        CXX="${CXX:-c++}" \
        APIDIR=$PKG/usr/include/$PRGNAM \
        COREDIR=/usr/lib${LIBDIRSUFFIX}/ \
        PLUGINDIR=/usr/lib${LIBDIRSUFFIX}/$PRGNAM \
        SHAREDIR=/usr/share/games/$PRGNAM \
        DEBUG=$DEBUG \
        OPTFLAGS="$SLKCFLAGS" \
        USE_GLES=$GLES
      make install \
        PREFIX=/usr \
        BINDIR=/usr/games \
        LIBDIR=/usr/lib${LIBDIRSUFFIX} \
        MANDIR=/usr/man \
        SHAREDIR=/usr/share/games/$PRGNAM \
        DESTDIR=$PKG
     )
  fi

  mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM-$src
  eval "set -- $DOCS"
  for file do
    if [ -f $PRGNAM-$src/$file ]; then
      cp -a $PRGNAM-$src/$file $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM-$src
    fi
  done
done

if [ $DEBUG = 0 ]; then
 find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" |
   grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true
fi

find $PKG/usr/man -type f -exec gzip -9 {} \;
for i in $( find $PKG/usr/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done

cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cat $CWD/doinst.sh > $PKG/install/doinst.sh

cd $PKG
/sbin/makepkg -l y -c n -p $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}
